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Converting between strings and ArrayBuffers
...nterface represents an encoder for a specific method,
that is a specific character encoding, like utf-8, iso-8859-2, koi8,
cp1261, gbk, ... An encoder takes a stream of code points as input and
emits a stream of bytes.
Change note since the above was written: (ibid.)
Note: Firefox, Chrom...
Google Authenticator implementation in Python
...cret (it must be correct parameter for base64.b32decode()) - preferably 16-char (no = signs), as it surely worked for both script and Google Authenticator.
Use get_hotp_token() if you want one-time passwords invalidated after each use. In Google Authenticator this type of passwords i mentioned as b...
Do HttpClient and HttpClientHandler have to be disposed between requests?
...plication needs to make HTTP requests. Having an object
exist across multiple requests enables a place for setting
DefaultRequestHeaders and prevents you from having to re-specify
things like CredentialCache and CookieContainer on every request as
was necessary with HttpWebRequest.
Or even...
SHA512 vs. Blowfish and Bcrypt [closed]
...o, keep in mind that the study of hash algorithms is "newer" than that of ciphers, and cryptographers are still learning about them.
Even though bcrypt as a whole hasn't had as much scrutiny as Blowfish itself, I believe that being based on a cipher with a well-understood structure gives it some in...
How to pass parameters correctly?
...king an rvalue reference (CreditCard&&).
Overload resolution will select the former when passing an lvalue (in this case, one copy will be performed) and the latter when passing an rvalue (in this case, one move will be performed).
Account(std::string number, float amount, CreditCard cons...
Why should we typedef a struct so often in C?
...me as a non-tag name is in (POSIX or Unix) program with the int stat(const char *restrict path, struct stat *restrict buf) function. There you have a function stat in the ordinary name space and struct stat in the tag name space.
– Jonathan Leffler
Jun 5 '16 a...
Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...; operator will only read from the stream until it encounters a whitespace character, since there's no length information stored in the stream. So even though we output a string object containing "hello world", we're only going to input a string object containing "hello". So while the stream has s...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
...ere's an extra \n at the end. I've covered this in another answer. Reading chars is a different matter because it only extracts one at a time and doesn't continue to hit the end.
– Joseph Mansfield
Apr 6 '13 at 16:59
...
Is there a typical state machine implementation pattern?
...ant to drive your FSM, so you could incorporate the action of reading next char into the the macro itself:
#define FSM
#define STATE(x) s_##x : FSMCHR = fgetc(FSMFILE); sn_##x :
#define NEXTSTATE(x) goto s_##x
#define NEXTSTATE_NR(x) goto sn_##x
now you have two types of transitions:...
In C#, why is String a reference type that behaves like a value type?
A String is a reference type even though it has most of the characteristics of a value type such as being immutable and having == overloaded to compare the text rather than making sure they reference the same object.
...